Home / 45,530.86-68,303.58-19,235.83

Finding the Fourth Proportional to 45,530.86, 68,303.58 and 19,235.83

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Solution

The fourth proportional to 45,530.86, 68,303.58 and 19,235.83 is: 28,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,530.86 : 68,303.58 = 19,235.83 : x
  2. Step 2: Convert to fraction form
    45,530.86/68,303.58 = 19,235.83/x
  3. Step 3: Cross multiply
    45,530.86x = 68,303.58 × 19,235.83
  4. Step 4: Simplify right side
    45,530.86x = 1,313,876,053.27
  5. Step 5: Solve for x
    x = 1,313,876,053.27/45,530.86
  6. Step 6: Final answer
    x = 28,856.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.